<template>
  <div>
    <!-- Header 区域 -->
    <van-nav-bar fixed title="文章详情" left-arrow @click-left="$router.back()" />

    <!-- 文章信息区域 -->
    <div class="article-container">
      <!-- 文章标题 -->
      <h1 class="art-title">{{articleDetail.title}}</h1>

      <!-- 用户信息 -->
      <van-cell center :title="articleDetail.aut_name" :label="getTime(`${articleDetail.pubdate}`)">
        <template #icon>
          <img :src="articleDetail.aut_photo" alt="" class="avatar">
        </template>
        <template #default>
          <div>
            <van-button type="info" size="mini" v-if="articleDetail.is_followed" @click="followedFn(false)">已关注</van-button>
            <van-button icon="plus" type="info" size="mini" plain v-else @click="followedFn(true)">关注</van-button>
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" v-html="articleDetail.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞 -->
      <div class="like-box">
        <van-button icon="good-job" type="danger" size="small"  v-if="articleDetail.attitude === 1" @click="loveFn(false)">已点赞</van-button>
        <van-button icon="good-job-o" type="danger" plain size="small" v-else @click="loveFn(true)">点赞</van-button>
      </div>
    </div>
    <comment-list></comment-list>
  </div>
</template>

<script>
import CommentList from '@/views/ArticleDetail/CommentList.vue'
import { getTime } from '@/utils/date'
import { getArticleDetailAPI, followedUserAPI, unFollowedUserAPI, articleLikeAPI, articleDisLikeAPI } from '@/api'
export default {
  name: 'HM-Article',
  data () {
    return {
      articleDetail: {}
    }
  },
  components: {
    CommentList
  },
  created () {
    this.getArticleDetailFn()
  },
  methods: {
    // 获取文章详情
    async getArticleDetailFn () {
      const res = await getArticleDetailAPI(
        { artId: this.$route.query.art_id }
      )
      this.articleDetail = res.data.data
      // console.log(res)
    },
    // 处理时间
    getTime: getTime,
    // 作者关注/取关
    async followedFn (bool) {
      if (bool === true) { // 用户点了关注按钮
        // 业务: 关注用户
        // 显示: 已关注按钮
        this.articleDetail.is_followed = true
        await followedUserAPI({
          target: this.articleDetail.aut_id
        })
      } else { // 用户点了已关注按钮身上
        // 业务: 取消关注用户
        // 显示: 关注按钮
        this.articleDetail.is_followed = false
        await unFollowedUserAPI({
          uid: this.articleDetail.aut_id
        })
      }
    },
    // 文章详情点赞和取消点赞
    async loveFn (bool) {
      if (bool === true) {
        // 点赞逻辑
        this.articleDetail.attitude = 1
        await articleLikeAPI({
          target: this.articleDetail.art_id
        })
      } else {
        // 取消点赞
        this.articleDetail.attitude = 0
        await articleDisLikeAPI({ artId: this.articleDetail.art_id })
      }
    }
  }
}
</script>

<style scoped lang="less">
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
    /deep/ img{
    width: 100%;
  }
    /deep/ pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
</style>
